Now this is something new: since when is Java requiring that  
serializable objects provide their own UIDs?  That was never the case  
unless you wanted to guarantee that an inner class be serializable.

I suspect that we're seeing a rule violation in Eclipse's internal  


On May 31, 2006, at 11:14 AM, Harri Salakoski wrote:

> I answer easy ones.
>> I am also getting the following error within eclipse in the  
>> Add.Java file:
>> public class Add extends GPNode....The serializable class Add does  
>> not
>> declare a static final serialVersionUID field of type long
> Add following line for "Add" class.
> private static final long serialVersionUID = 1L;
>> Could someone please help me to understand why this is occurring.
> Eclipse has possibility define more varnings on or off, often  
> warning level things are not severe mostly just anonying in big  
> projects.
> If you use several different JDK:s example both linux and windows  
> enviroments to previous warning is more important than using only  
> on JDK in enviroment that calculates default seralVersionUID right.
> t. Harri
>> Sincerely,
>> Gerard
>> I have not included the libraries list since I believe this is  
>> unnecessary.